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EC-186 < DTC/CIRCUIT DIAGNOSIS > [VK56VD] P0037, P0038, P0057, P0058 HO2S2 HEATER Component Inspection (HO2 Sensor 2 Heater) INFOID:0000000006217780 1. CHECK HEATED OXYGEN SENSOR 2 HEATER 1. Turn ignition switch OFF. 2. Disconnect heated oxygen sensor 2 (HO2S2) harness connector. 3. Check resistance between HO2S2 terminals as follows. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 2. 2. REPLACE HEATED OXYGEN SENSOR 2 Replace malfunctioning heated oxygen sensor 2. Refer to EX-5, "Removal and Installation" CAUTION: • Discard any heated oxygen sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one. • Before installing new oxygen sensor, clean exhaust system threads using Oxygen Sensor Thread Cleaner [commercial service tool (J-43897-18 or J-43897-12)] and approved anti-seize lubricant >> INSPECTION END Terminal Resistance 2 and 3 3.4 - 4.4 Ω [at 25 ° C (77 ° F)] 1 and 2, 3, 4 ∞
Ω (Continuity should not exist) 4 and 1, 2, 3 |